28652405543 has 16 divisors (see below), whose sum is σ = 29914400736. Its totient is φ = 27419857920.

The previous prime is 28652405539. The next prime is 28652405563. The reversal of 28652405543 is 34550425682.

It is a cyclic number.

It is not a de Polignac number, because 28652405543 - 2² = 28652405539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28652405494 and 28652405503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28652405513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521555 + ... + 573867.

It is an arithmetic number, because the mean of its divisors is an integer number (1869650046).

Almost surely, 2^28652405543 is an apocalyptic number.

28652405543 is a deficient number, since it is larger than the sum of its proper divisors (1261995193).

28652405543 is a wasteful number, since it uses less digits than its factorization.

28652405543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52594.

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 28652405543 in words is "twenty-eight billion, six hundred fifty-two million, four hundred five thousand, five hundred forty-three".